public class yy{
public static void main(string] args){
String brand1="MacBookAin; 
double size1=13.3; 
double price1=5699.0;
 int stock1=5;
String brand2="ThinkPadT49"; 
double size2=14.0; 
double price2=8499.0; 
int stock2= 10;
String brand3 ="MateBook 14"; 
double size3=14.0; 
double price3 =7199.0;
int stock3 = 18;
 int totalstock =stock1+stock2+stock3;
  double totalAmount=price1stock1+price2stock2+price3stock3;
System.out.print1n ("----- ????????? -----");
System.out.print1n ("?????? \t ??? \t ??? \t ?????");
System.out.printin (brand1+"\t"+size1+"t"+price1+"t"+stock1);
System.out.printin (brand2+"\t"+size2+"t"+price2+"\t"+stock2);
System.out.printin (brand3+"t"+size3+"\t"+price3+"\t"+stock3);
System.out.printin ("------------------");
System.out.print1n ("??????:"+totaltock);
System.out.print1n ("??????????:"+totalAmount);
}
}